上游充通大粤 SHANGHAI JIAO TONG UNIVERSITY Ternary Diagrams Ternary 3D A series of isothermal sections,stacked up vertically Gibbs triangle Lines of constant A content are parallel to the line connecting the points representing pure B and pure C All the combinations of D and E fall on the line between two The lever rule applied to these system 12Ternary Diagrams 12